fix: crash with ERR_REQUIRE_ESM error

webpack-contrib · Jul 20, 2021 · 26b4db3 · 26b4db3
1 parent 8ca2564
commit 26b4db3
Show file tree

Hide file tree

Showing 4 changed files with 71 additions and 5 deletions.
diff --git a/declarations/utils.d.ts b/declarations/utils.d.ts
@@ -1,3 +1,29 @@
+/**
+ * @template T
+ * @param {T} value
+ * @return {
+   T extends (null | undefined)
+     ? []
+     : T extends string
+       ? [string]
+       : T extends readonly unknown[]
+         ? T
+         : T extends Iterable<infer T>
+           ? T[]
+           : [T]
+ }
+ */
+export function arrify<T>(
+  value: T
+): T extends null | undefined
+  ? []
+  : T extends string
+  ? [string]
+  : T extends readonly unknown[]
+  ? T
+  : T extends Iterable<infer T_1>
+  ? T_1[]
+  : [T];
 /**
  * @param {string|string[]} files
  * @param {string} context

diff --git a/package-lock.json b/package-lock.json
diff --git a/src/index.js b/src/index.js
@@ -1,11 +1,10 @@
 import { isAbsolute, join } from 'path';
 
-import arrify from 'arrify';
 import { isMatch } from 'micromatch';
 
 import { getOptions } from './options';
 import linter from './linter';
-import { parseFiles, parseFoldersToGlobs } from './utils';
+import { arrify, parseFiles, parseFoldersToGlobs } from './utils';
 
 /** @typedef {import('webpack').Compiler} Compiler */
 /** @typedef {import('./options').Options} Options */

diff --git a/src/utils.js b/src/utils.js
@@ -1,11 +1,51 @@
 import { resolve } from 'path';
 import { statSync } from 'fs';
 
-import arrify from 'arrify';
-
 // @ts-ignore
 import normalizePath from 'normalize-path';
 
+/**
+ * @template T
+ * @param {T} value
+ * @return {
+   T extends (null | undefined)
+     ? []
+     : T extends string
+       ? [string]
+       : T extends readonly unknown[]
+         ? T
+         : T extends Iterable<infer T>
+           ? T[]
+           : [T]
+ }
+ */
+export function arrify(value) {
+  // eslint-disable-next-line no-undefined
+  if (value === null || value === undefined) {
+    // @ts-ignore
+    return [];
+  }
+
+  if (Array.isArray(value)) {
+    // @ts-ignore
+    return value;
+  }
+
+  if (typeof value === 'string') {
+    // @ts-ignore
+    return [value];
+  }
+
+  // @ts-ignore
+  if (typeof value[Symbol.iterator] === 'function') {
+    // @ts-ignore
+    return [...value];
+  }
+
+  // @ts-ignore
+  return [value];
+}
+
 /**
  * @param {string|string[]} files
  * @param {string} context